Home / 587,639.34-881,708.07-321,088.47

Finding the Fourth Proportional to 587,639.34, 881,708.07 and 321,088.47

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Solution

The fourth proportional to 587,639.34, 881,708.07 and 321,088.47 is: 481,768.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,639.34 : 881,708.07 = 321,088.47 : x
  2. Step 2: Convert to fraction form
    587,639.34/881,708.07 = 321,088.47/x
  3. Step 3: Cross multiply
    587,639.34x = 881,708.07 × 321,088.47
  4. Step 4: Simplify right side
    587,639.34x = 283,106,296,234.12
  5. Step 5: Solve for x
    x = 283,106,296,234.12/587,639.34
  6. Step 6: Final answer
    x = 481,768.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.